|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $279,362 | $329,346 | $363,353 | $200,027 | $164,131 | $188,911 |
| Carbides, of silicon, whether or not chemically defined | | $223 | $39 | $17 | $236 | |
| Carbides other than of carbon/silicon, whether or not chemically defined | | | $511 | | | |
| Total | $279,362 | $329,569 | $363,903 | $200,044 | $164,367 | $188,911 |
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